NASA
Nasa Earth Observatory: What Are Aerosols? Fact Sheet
This article discusses tiny particles in the air called aerosols. There are naturally occurring aerosols from volcanic ash, sea spray, grassland fires, and other sources. Learn how scientists believe that aerosols have effects on the...
NASA
Nasa Earth Observatory: Every Cloud Has a Filthy Lining
This article discusses what clouds are made of, including the dirty particles in them called aerosols. Learn about the natural and man-made sources of aerosols.